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Asset Retirement Obligations (Tables)

12 Months Ended

Dec. 31, 2022

Asset Retirement Obligation Disclosure [Abstract]

Schedule of ARO Obligations and Related Additions, Reductions and Accretion

The following table represents the balance of ARO obligations as of December 31, 2022 and 2021, along with the additions, reductions and accretion related to the Company's ARO obligations for the year ended December 31, 2022:

(In millions)			Nuclear Decommission						Other(a)						Total
Balance as of December 31, 2021			$	321					$	399					$	720
Revisions in estimates for current obligations			—						38						38
Additions			—						1						1
Spending for current obligations			—						(33)						(33)
Accretion			19						19						38
Other			—						(6)						(6)
Balance as of December 31, 2022			$	340					$	418					$	758

(a)Total accretion expense related to asset retirement obligations included in the consolidated statement of cash flows includes accretion and revisions in estimates for asset retirement liabilities on non-operating plants

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- References

No definition available.

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- Definition

Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 410
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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